Which expression is equivalent to 9+8 xn? 0 72n O 9 + 8n 17 xn 0 9x (8 + n)
1 answer:
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In the Triangle ABD, Using Pythagoras theorem we can write
In the Triangle ACD using Pythagoras Theorem
Now in the larger Triangle ABC, we can write
Now substitute the values from the above equations we get
Answer:
Step-by-step explanation:
we are given a inverse trig
we want to figure out the value of
in that case we can consider using unit circle in unit circle the value of arctan (-√3)=120°
therefore,
the value of theta is 120°
likewise by unit circle the value of sine is
